http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49909
Summary: FSF gcc 4.6.1 fails to bootstrap on Core Solo/Core Duo Product: gcc Version: 4.7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target AssignedTo: unassig...@gcc.gnu.org ReportedBy: howa...@nitro.med.uc.edu The bootstrap of FSF gcc 4.6.1 fails on Core Solo/Core Duo processors when configure is executed within the x86_64 multilib and attempts to execute x86_64 code on a non-EMT64 processor. This failure in the config.log from the x86_64 multilib of libquadmath is... configure:3307: checking for C compiler default output file name configure:3329: /sw/src/fink.build/gcc46-4.6.1-1000/darwin_objdir/./gcc/xgcc -B/sw/src/fink.build/gcc46-4.6.1-1000/darwin_objdir/./gcc/ -B/sw/lib/gcc4.6/i386-apple-darwin10.8.0/bin/ -B/sw/lib/gcc4.6/i386-apple-darwin10.8.0/lib/ -isystem /sw/lib/gcc4.6/i386-apple-darwin10.8.0/include -isystem /sw/lib/gcc4.6/i386-apple-darwin10.8.0/sys-include -m64 -g -O2 conftest.c >&5 configure:3333: $? = 0 configure:3370: result: a.out configure:3386: checking whether the C compiler works configure:3395: ./a.out ../../../../gcc-4.6.1/libquadmath/configure: line 3397: ./a.out: Bad CPU type in executable configure:3399: $? = 126 configure:3406: error: in `/sw/src/fink.build/gcc46-4.6.1-1000/darwin_objdir/i386-apple-darwin10.8.0/x86_64/libquadmath': configure:3410: error: cannot run C compiled programs. If you meant to cross compile, use `--host'. See `config.log' for more details.